On November 21st, 2017, the 19th session of China International Hi-Tech Fair (CHTF) successfully concluded. CHTF is held each year jointly by China Ministry of Commerce, Ministry of Science and Technology, Ministry of Industry, Ministry of Agriculture, National Intellectual Property Office, Chinese Academy of Sciences, China Institute of Engineering and other ministries and Shenzhen Municipal People's government. CHTF is currently China's largest and the most influential science and Technology exhibition.